US12433661B2ActiveUtilityA1

Data adjustment method in radio frequency operation, and radio frequency host

Assignee: HANGZHOU BRONCUS MEDICAL CO LTDPriority: Dec 31, 2020Filed: Sep 29, 2022Granted: Oct 7, 2025
Est. expiryDec 31, 2040(~14.4 yrs left)· nominal 20-yr term from priority
A61B 2018/00702A61B 2018/00875A61B 2018/00791A61B 18/00A61B 2018/00577A61B 18/1233A61B 2018/00642A61B 2018/00779A61B 18/14A61B 18/12
49
PatentIndex Score
0
Cited by
37
References
14
Claims

Abstract

Disclosed are a data adjustment method in a radio frequency operation and a radio frequency host. The data adjustment method includes acquiring set power data corresponding to the radio frequency operation, setting an output power of a radio frequency signal according to the set power data, and outputting the radio frequency signal to an object of the radio frequency operation; detecting physical characteristic data of the object in real time, and determining whether the physical characteristic data exceeds a preset range; adjusting the radio frequency output power when the physical characteristic data exceeds the preset range; and adjusting the preset range according to the physical characteristic data detected in real time in a preset period of time before a present moment when the physical characteristic data does not exceed the preset range. As a result, the safety and success rate of the radio frequency operation is improved.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A data adjustment method in a radio frequency operation, comprising steps of:
 acquiring set power data corresponding to the radio frequency operation, setting an output power of a radio frequency signal according to the set power data, and outputting the radio frequency signal to an object of the radio frequency operation; 
 detecting physical characteristic data of the object in real time, and determining whether the physical characteristic data exceeds a preset range that is a numerical interval defined by a minimum value and a maximum value by comparing the physical characteristic data with both the minimum value and the maximum value, wherein the physical characteristic data comprises a temperature and/or an impedance of the object; 
 adjusting a radio frequency output power when the physical characteristic data exceeds the preset range, wherein when the physical characteristic data is greater than the maximum value of the preset range or less than the minimum value of the preset range, it is determined to exceed the preset range; and 
 selecting target values from various temperature values or impedance values to update the maximum value and minimum value of the preset range according to the physical characteristic data detected in real time in a preset period of time before a present moment and a default selection algorithm when the physical characteristic data does not exceed the preset range. 
 
     
     
       2. The method according to  claim 1 , wherein the step of adjusting a radio frequency output power when the physical characteristic data exceeds the preset range comprises steps of:
 reducing the radio frequency output power to a preset first target power when the temperature or the impedance of the object detected in real time is greater than the maximum value of the preset range; and 
 increasing the radio frequency output power to a preset second target power when the temperature and the impedance of the object detected in real time are both less than the minimum value of the preset range. 
 
     
     
       3. The method according to  claim 1 , wherein when a radio frequency probe of a radio frequency host is a multi-electrode radio frequency probe, the step of adjusting a radio frequency output power when the physical characteristic data exceeds the preset range comprises steps of:
 determining a total power needed to be set according to a minimum impedance of an electrode of the multi-electrode radio frequency probe when the temperature or the impedance of the object detected in real time is greater than the maximum value of the preset range; 
 detecting a real-time total power of the radio frequency probe of the radio frequency host, calculating a power adjustment amount by a default proportional integral differential algorithm according to the total power needed to be set and the real-time total power, and calculating a target power according to power adjustment and a present output power of the radio frequency signal; and 
 reducing the radio frequency output power to the target power. 
 
     
     
       4. The method according to  claim 1 , wherein the step of acquiring set power data corresponding to the radio frequency operation comprises steps of:
 acquiring historical radio frequency operation data corresponding to a task and object of the radio frequency operation; and 
 determining the output power of the radio frequency signal in the historical radio frequency operation data as the set power data, wherein the set power data is a change trend curve representing a corresponding relationship between the radio frequency operation time and the output power. 
 
     
     
       5. The method according to  claim 4 , wherein the step of setting an output power of a radio frequency signal according to the set power data comprises:
 acquiring the output power in an operation time corresponding to a current stage of a current radio frequency operation from the change trend curve, and setting the acquired output power as the output power of the radio frequency signal. 
 
     
     
       6. The method according to  claim 1 , wherein the step of acquiring set power data corresponding to the radio frequency operation comprises:
 acquiring the set power data from an externally connected removable storage, or acquiring the set power data inputted from an input device, wherein the set power data is a numerical interval including a maximum value of the set power and a minimum value of the set power. 
 
     
     
       7. A radio frequency host, comprising:
 a storage and a processor, wherein 
 the storage stores an executable program code; and 
 the processor is coupled to the storage, and configured to call the executable program code stored in the storage, and implement the data adjustment method in a radio frequency operation according to  claim 1 . 
 
     
     
       8. The method according to  claim 1 , wherein the step of selecting target values from various temperature values or impedance values to update the maximum value and minimum value of the preset range according to the physical characteristic data detected in real time in a preset period of time before a present moment and a default selection algorithm when the physical characteristic data does not exceed the preset range comprises:
 selecting a minimum value among various temperature values or impedance values in the preset period of time before the present moment as the minimum value of the preset value; 
 and selecting a maximum value among the various temperature values or impedance values in the preset period of time before the present moment as the the maximum value of the preset value. 
 
     
     
       9. The method according to  claim 1 , wherein the step of selecting target values from various temperature values or impedance values to update the maximum value and minimum value of the preset range according to the physical characteristic data detected in real time in a preset period of time before a present moment and a default selection algorithm when the physical characteristic data does not exceed the preset range comprises:
 calculating a median value of various temperature values or impedance values in the preset period of time before the present moment, calculating to-be-updated minimum and maximum values corresponding to the median value according to the median value with reference to a difference between the median value and the minimum and maximum values of the preset range before updating, determining calculated minimum value as the minimum value of the preset range and the calculated maximum value as the maximum value of the preset range. 
 
     
     
       10. A radio frequency host, comprising:
 a storage and a processor, wherein 
 the storage stores an executable program code; and 
 the processor is coupled to the storage, and configured to call the executable program code stored in the storage, and implement the data adjustment method in a radio frequency operation according to  claim 8 . 
 
     
     
       11. A radio frequency host, comprising:
 a storage and a processor, wherein 
 the storage stores an executable program code; and 
 the processor is coupled to the storage, and configured to call the executable program code stored in the storage, and implement the data adjustment method in a radio frequency operation according to  claim 9 . 
 
     
     
       12. A radio frequency host, comprising:
 an acquisition module, configured to acquire set power data corresponding to a radio frequency operation; 
 a transmitting module, configured to set an output power of a radio frequency signal according to the set power data, and output the radio frequency signal to an object of the radio frequency operation; 
 a detection module, configured to detect physical characteristic data of the object in real time, and determine whether the physical characteristic data exceeds a preset range that is a numerical interval defined by a minimum value and a maximum value by comparing the physical characteristic data with both the minimum value and the maximum value, wherein the physical characteristic data comprises a temperature and/or an impedance of the object; and 
 an adjustment module, configured to adjust a radio frequency output power when the physical characteristic data exceeds the preset range, wherein when the physical characteristic data is greater than the maximum value of the preset range or less than the minimum value of the preset range, it is determined to exceed the preset range, and 
 select target values from various temperature values or impedance values to update the maximum value and minimum value of the preset range according to the physical characteristic data detected in real time in a preset period of time before a present moment and a default selection algorithm when the physical characteristic data does not exceed the preset range. 
 
     
     
       13. The radio frequency host according to  claim 12 , wherein the adjustment module is configured to select a minimum value among various temperature values or impedance values in the preset period of time before the present moment as the minimum value of the preset value; and select a maximum value among the various temperature values or impedance values in the preset period of time before the present moment as the the maximum value of the preset value. 
     
     
       14. The radio frequency host according to  claim 12 , wherein the adjustment module is configured to calculate a median value of various temperature values or impedance values in the preset period of time before the present moment, calculate to-be-updated minimum and maximum values corresponding to the median value according to the median value with reference to a difference between the median value and the minimum and maximum values of the preset range before updating, and determine calculated minimum value as the minimum value of the preset range and calculated maximum value as the maximum value of the preset range.

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